Grafana image renderer plugin not able to install - signature has been modified

user_547262 0
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I am trying to install grafana image renderer plugin on Ubuntu 20.04 with Grafana 7.5.9, but it fails due to certificate problems:

user@leo:~$ sudo grafana-cli plugins install grafana-image-renderer
installing grafana-image-renderer @ 3.2.1
from: https://grafana.com/api/plugins/grafana-image-renderer/versions/3.2.1/download
into: /var/lib/grafana/plugins


āœ” Installed grafana-image-renderer successfully 

Restart grafana after installing plugins . <service grafana-server restart>

user@leo:~$ sudo service grafana-server restart
user@leo:~$ sudo tail -f /var/log/grafana/grafana.log
t=2021-10-24T00:48:04+0200 lvl=warn msg="Some plugins failed to load" logger=plugins errors="[plugin \"grafana-image-renderer\"'s signature has been modified]"

While querying the plugin I do get:

curl ... 'https://user:pw@mydomain.com/app/render/d/coziavM7z/db-name-... '

enter image description here

I added this to grafana.ini and restarted grafana:

[plugins]
allow_loading_unsigned_plugins = grafana-image-renderer

The issue has also been documented here: https://issueexplorer.com/issue/grafana/grafana-image-renderer/225

In my case there is not file called MANIFEST.TXT

The plugin section shows this:

enter image description here

I am running out of ideas at this point.

grafana ubuntu
1 Answers

I finaly found a solution for this problem, although I did run into another one (timeout) the plugin seems to be installed.

Remove manifest:

sudo mv /var/lib/grafana/plugins/grafana-image-renderer/MANIFEST.txt  /var/lib/grafana/plugins/grafana-image-renderer/MANIFEST.txt.bak

Allow unsigned plugin:

[plugins]
allow_loading_unsigned_plugins = grafana-image-renderer

Install chrome on Ubuntu 20.04.

wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb 
sudo dpkg -i google-chrome-stable_current_amd64.deb
sudo apt-get update && sudo apt-get install -f
sudo dpkg -i google-chrome-stable_current_amd64.deb
sudo /etc/init.d/grafana-server restart
user_5472620
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